GLM-5.1
by Zhipu AI Coding Plan · family glm · listed Mar 2026RT
Flagship GLM model for hybrid reasoning, coding, and agentic engineering
Current rates USD per 1M tokens
Inputfree
Outputfree
Cache readfree
Cache writefree
Against the market
On the record
- Model id
glm-5.1- Context window
- 200K tokens
- Max output
- 131K tokens
- Input modalities
- text
- Output modalities
- text
- Reasoning
- yes
- Tool calls
- yes
- Open weights
- no
- Knowledge cutoff
- —
- Released
- 2026-03-27
- Last updated
- 2026-03-27
- Provider docs
- docs.bigmodel.cn/cn/coding-plan/overview
Back of the envelope
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